KL 423 then U2 7845 at Schiphol
Ad Dammam → Amsterdam → Birmingham (UK)
Timetable, Amsterdam time
07:40KL 423 from Ad Dammam at the gate
07:15U2 7845 to Birmingham (UK) leaves the gate
23 h 35 apart on the timetable, overnight
U2 7845 leaves 23 h 35 after KL 423 arrives on the timetable: more than half a day, so not a connection we count.